SBA - Local Small Business Administration resource programs and services to help you start, grow and succeed.
http://www.sba.gov/localresources/district/mi/index.html

BUSINESS.GOV - Helps small businesses understand their legal requirements, and locate government
services supporting the nation's small business community.
http://www.business.gov/states/michigan 

IRS - Tax information for businesses
http://www.irs.gov/businesses

SCORE Michigan
http://www.scoremichigan.com

Small Business & Technology Development Center
http://www.misbtdc.org/region7

MEDC - One-stop business assistance.
http://www.themedc.org

The Small Business Association of Michigan (SBAM) - the only statewide and state-based association that focuses solely on serving the needs of Michigan�s
small business community.
http://www.sbam.org